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Halogen-Bond-Promoted Direct Cross-Coupling of Ethyl 3-bromo-3-alkyl-2,2-difluoropropanoate with Coumarins/Quinolinones

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO00484A, Research Article
Guoliang Pu, Shi-Yuan Song, Jian Yang, Peng Guo, Jia Jia, Peijun Liu, Xuefei Li, Ping Liu, Chun-Yang He
Herein, we developed a practical method for the direct cross-coupling of ethyl 3-bromo-3-alkyl-2,2-difluoropropanoate with coumarins/quinolinones, leveraging a halogen bond as the pivotal non-covalent interaction. Employing this protocol, a library of...
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NHC-Catalyzed Stereoselective Synthesis of Spirooxindole Lactones by in situ Generated Oxindole-embedded o-Quinone Methides and Aldehydes

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO00347K, Research Article
Zhengqiang Cao, Fang Hu, Yunpeng Chu, Jiaxue Pei, Xin-Ping Hui
A novel N-heterocyclic carbene-catalyzed asymmetric [4 + 2] annulation of in situ generated oxindole-embedded o-quinone methides with aldehydes has been developed for the assembly of complicated spirooxindoles. The methodology provides...
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Expedient deaminative phosphorylation and sulfonylation of benzylic tertiary amines enabled by difluorocarbene

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00412D, Research Article
Chengbo Li, Yu Guo, Jianke Su, Xinyuan Hu, Qingqing Xuan, Qiuling Song
A deaminative functionalization of aliphatic tertiary amines via the cleavage of C(sp3)–N bonds under transition metal-free conditions was disclosed, which goes through SN2 reaction with various phosphorus and sulfur nucleophiles.
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Diverting the Mannich reaction to access 2,2-disubstituted indolin-3-ones by merging 1,2-aryl migration and copper-catalyzed aerobic oxidation

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00481G, Research Article
Jia-Chen Xiang, Yu-Die Wang, Peng Yuan, Hui-Min Zhu, Tong Lei, An-Xin Wu, Zhixin Liao
Three typical substrates for the Mannich reaction, p-anisidine, aldehyde, and a nucleophile, did not afford the predictable linear Mannich base under an aerobic copper oxidation condition, but rendering a 2,2-disubstituted indolin-3-one product.
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Africa's elephant population declines by 70 per cent over past 50 years: study




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Rejuvenating manganese-based rechargeable batteries: fundamentals, status and promise

J. Mater. Chem. A, 2024, 12,8617-8639
DOI: 10.1039/D4TA00466C, Review Article
Weizhai Bao, Hao Shen, Yangyang Zhang, Chengfei Qian, Dingyu Cui, Jingjie Xia, He Liu, Cong Guo, Feng Yu, Jingfa Li, Kaiwen Sun
Energy storage devices with advanced rechargeable batteries are highly demanded by our modern society.
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From scrap metal to highly efficient electrodes: harnessing the nanotextured surface of swarf for effective utilisation of Pt and Co for hydrogen production

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA00711E, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Madasamy Thangamuthu, Emerson C. Kohlrausch, Ming Li, Alistair Speidel, Adam T. Clare, Richard Plummer, Paul Geary, James W. Murray, Andrei N. Khlobystov, Jesum Alves Fernandes
Atomically deposited Pt and Co on nano-grooves result in active and stable electrocatalysts for hydrogen evolution and oxygen evolution reactions.
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Deciphering the role of 2D graphene oxide nanofillers in polymer membranes for vanadium redox flow batteries

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA00001C, Review Article
Sadhasivam Thangarasu, Shalu, Gowthami Palanisamy, Subramani Sadhasivam, Karuppaiah Selvakumar, Krishna Rao Eswar Neerugatti, Tae Hwan Oh
This comprehensive review article explains the influence of various GO and GO-polymer membrane modifications for VRFB, which range from cation and anion exchange to amphoteric and zwitterionic membranes.
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Structure–property–performance relationship of vanadium- and manganese-based metal–organic frameworks and their derivatives for energy storage and conversion applications

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA00736K, Review Article
Reza Abazari, Soheila Sanati, Ashok Kumar Nanjundan, Qiyou Wang, Deepak P. Dubal, Min Liu
The current review discusses on vanadium- and manganese-based metal–organic frameworks and their derivatives for energy storage and conversion applications along with the potential future advancements in these fields.
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Metal–support interaction triggered d–p orbital hybridization for efficient electrocatalytic semi-hydrogenation of alkynes

J. Mater. Chem. A, 2024, Advance Article
DOI: 10.1039/D4TA01240B, Paper
Qiong Wan, Jiaxun Zhang, Xuan Liu, Huizhi Li, Abdullah, Taotao Ren, Qiyuan Liu, Yongheng Xu, Jia Liu, Jicheng Liu, Bingqing Yao, Yiyun Fang, Xinzhe Li, Chi He
Atomic restructuring in Pd/Fe2O3 catalysts weakens Pd binding to chemisorbed 4-aminophenylacetylene and hydrogen intermediates, boosting conversion and selectivity in 4-aminophenylacetylene semi-hydrogenation, surpassing Pd/C and other catalysts.
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Reduction on Specific Lattice Planes for Metal-organic Frameworks/Poly-pyrrole Composites with Dilated Porosity

J. Mater. Chem. A, 2024, Accepted Manuscript
DOI: 10.1039/D4TA00766B, Paper
Wenxiu He, Xu Zhai, Zhipeng Qiao, Huan Chen, Weiliang Tian, Yu Fu, Junyi Chen
Owing to the microporosity, metal-organic frameworks (MOFs) have attracted great attention in various applications, whereas their potential in mass transfer and diffusion of larger molecules have been limited. To break...
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Dak Prescott underwent season-ending surgery Wednesday

Cowboys quarterback Dak Prescott underwent successful surgery in New York on Wednesday, Clarence Hill of alldlls.com reports.




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DK Metcalf has full participation in Wednesday's practice

Seahawks coach Mike Macdonald said before practice DK Metcalf would have a limited practice Wednesday, and the receiver said he didn't know if he would return to game action this week.




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Dopant-free Tert-butyl Zn (II) Phthalocyanines: Impact of Substitution on Photo-Physical Properties in Their Role in Perovskite Solar Cells

J. Mater. Chem. C, 2024, Accepted Manuscript
DOI: 10.1039/D4TC04013A, Paper
Mahdi Gassara, Jose Garcés-Garcés, Luis Lezama, Javier Ortiz, Fernando Fernandez-Lazaro, Samrana Kazim, Angela Sastre-Santos, Shahzada Ahmad
We synthesized molecular hole-transporting materials (HTMs) featuring a zinc phthalocyanine (ZnPc) central core and modulated the non-perypheral position with different numbers of tert-butyl groups. The synthesized molecules were also integrated...
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Entrepreneurs in Salem undergo training in business and financial excellence




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Stray dog kills calf at Sugavaneswarar temple’s goshala in Salem




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Ambulance aggregator service under consideration: Ganesh Kumar

Aimed at enhancing emergency response across Kerala




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EU, Belgium, Denmark and Germany envoys visit Adani's Khavda, Mundra businesses, Gautam Adani says It was a privilege




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Coal import for blending purposes in power generation declines by 8.5% during April-Sept 2024




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An Efficient All-Visible Light-Activated Photoswitches Based on Diarylethenes and CdS Quantum Dots

Chem. Sci., 2024, Accepted Manuscript
DOI: 10.1039/D4SC06110A, Edge Article
Open Access
Kezhou Chen, Jiayi Liu, Joakim Andréasson, Bo Albinsson, Tiegen Liu, Lili Hou
All-visible light-activated diarylethene (DAE) photoswitches are highly attractive for applications in smart photoresponsive materials. Photocyclization of DAE via the low-lying excited triplet state through triplet energy transfer (TET) from a...
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Photocatalytic 1,3-Oxyheteroarylation of Aryl Cyclopropanes with Azine N-oxides

Chem. Sci., 2024, Accepted Manuscript
DOI: 10.1039/D4SC06723A, Edge Article
Open Access
Doyoung Kim, Hyewon Ju, Wooseok Lee, Sungwoo Hong
Cyclopropanes, valuable C3 building blocks in organic synthesis, possess high strain energy and inherent stability. We present an efficient, environmentally benign 1,3-oxyheteroarylation of aryl cyclopropanes using azine N-oxides as bifunctional...
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China's largest air show takes off with fighter jets, attack drones

China has poured resources into modernising and expanding its aviation capabilities as it faces off against the United States and others around regional flashpoints like Taiwan.




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Fifth storm in a month bears down on the Philippines

The local government also reported knee-high floods across Santiago, a city of 1,50,000 people along an upper bank of the Cagayan river




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Indonesia and Australia hold joint military drills after signing a new defense agreement

The Indonesian and Australian militaries are holding joint combat drills off Indonesia’s main island of Java with about 2,000 troops training in air, maritime, amphibious and land operations




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Pyridinyl 4-(2-oxoalkylimidazolidin-1-yl)benzenesulfonates and their hydrochloride salts as novel water soluble antimitotic prodrugs bioactivated by cytochrome P450 1A1 in breast cancer cells

RSC Med. Chem., 2024, 15,3728-3745
DOI: 10.1039/D4MD00476K, Research Article
Vincent Ouellette, Chahrazed Bouzriba, Atziri Corin Chavez Alvarez, Quentin Bruxelles, Geneviève Hamel-Côté, Sébastien Fortin
New water soluble antimitotic CYP1A1-activated prodrugs named PYRAIB-SOs and their hydrochlorides targeting breast cancers.
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Prediction of synergistic gemcitabine-based combination treatment through a novel tumor stemness biomarker NANOG in pancreatic cancer

RSC Med. Chem., 2024, 15,3853-3861
DOI: 10.1039/D4MD00165F, Research Article
Jiongjia Cheng, Ting Zhu, Shaoxian Liu, Jiayu Zhou, Xiaofeng Wang, Guangxiang Liu
The synergistic effect observed in gemcitabine-based combination therapies targeting pancreatic cancer stem cells was correlated with the inhibiting effect on the expression of stemness-related gene NANOG.
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Design and synthesis of novel 8-(azaindolyl)-benzoazepinones as potent and selective ROCK inhibitors

RSC Med. Chem., 2024, 15,3862-3879
DOI: 10.1039/D4MD00313F, Research Article
Daniele Pala, David Clark, Christine Edwards, Elisa Pasqua, Laura Tigli, Barbara Pioselli, Piotr Malysa, Fabrizio Facchinetti, Fabio Rancati, Alessandro Accetta
This study reports a novel, potent and selective series of ROCK inhibitors based on 8-(azaindolyl)-benzoazepinones identified through a core-hopping strategy.
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Andhra Pradesh government deploys drones to detect ganja palnatations

State collaborates with NCB and Google to map and track cannabis plantations using satellite imagery technology




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Supreme Court sets pan-India guidelines against ‘bulldozer justice,’ calls demolitions without due process unconstitutional

The Apex court maintains that these guidelines do not apply in cases of unauthorized public land construction or where demolition is mandated by a court ruling




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Uncontrolled diabetes increases risk of hearing loss; doctors call for more awareness, screening

Hearing loss occurs twice as frequently in patients with uncontrolled diabetes as compared to the non-diabetic population, doctors say, calling for screening to be included in routine diabetes care




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Karnataka bypolls: Channapatna, Shiggaon and Sandur constituencies witness overall turnout of 76.9% till 5 p.m.

A total of 45 candidates are in the fray in these byelections




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667 UK-owned businesses in India generated over ₹5 lakh crores in revenue: report

According to the report, fifteen UK companies have achieved triple-digit turnover growth rates, with Vedanta leading as the largest UK company in India by revenue, generating over ₹1,50,100 crores in 2023




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MobiKwik sees no business impact due to RBI’s P2P diktat, Co-Founder Taku says

Revenue likely to grow over 50 per cent for many years, Taku says




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Centre plans QCO for weaving machines from next year




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Watch: Can Trump’s win make it worse for Indian economy? | Business Matters

Private investment hasn’t really taken off as expected and industry watchers ascribed that to lack of adequate demand. With Trump slated to be next in the White House, how dark do things really look for India?




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China, Philippines spar over new maritime laws, baseline drawings in South China Sea

The move follows China's definition on Sunday of the baseline for "territorial waters" around the shoal, which Beijing claims as Huangyan Island




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Metrowater to start replacing portion of reverse osmosis membranes in Nemmeli desalination plant by December




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Centre approves widening of Rajahmundry-Anakapalli and Rayachoti-Kadapa national highways to six lanes, says MP




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Indonesia's volcanic eruption grounds international flights on tourist island of Bali

Indonesia's Mount Lewotobi Laki Laki volcano on the remote island of Flores in East Nusa Tenggara province spewed towering columns of hot ash high into the air since its initial huge eruption on November 4 killed nine people and injured dozens of others




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3 Chinese solar firms under IT scanner for tax avoidance

IT department says the firms’ did not disclose the ‘permanent establishment’ status of their Indian subsidiaries




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AI readiness falls among Indian companies, returns fall short of expectations: Report

Half the respondents said that they either hadn’t seen any gains or the returns had fallen short of their expectations in augmenting, assisting, or automating current processes or operation




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PV Sindhu shines, Lakshya stumbles in Kumamoto opener

Double Olympic medallist PV Sindhu sailed into the pre-quarterfinals but Lakshya Sen made an opening-round exit from the Kumamoto Masters Japan Super 500 tournament in Kumamoto, Japan on Wednesday.




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Mukesh Ambani becomes only Indian to enter Fortune's list of 100 Most Powerful People in Business, secures...

Ambani is the richest man in India and Asia with a net worth of USD 98 billion, as per Forbes.




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Now expiry timelines for food items sold on ecom, qcom

The Food Safety and Standards Authority of India (FSSAI) on Tuesday asked e-commerce and quick-commerce food operators to ensure a minimum shelf life of 30 per cent or at least 45 days before products expire at the time of delivery. The order follows rising concerns over violations of food safety standards in quick-commerce and e-commerce.




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Building a SaaS Business You Can Sell

This is a guest post by Thomas Smale from FE International, a website brokerage with an emphasis on SaaS apps. At FE International we speak to website owners on a daily basis who are looking to sell their businesses. Unfortunately, many of these businesses are not sellable for a number of very avoidable reasons. PlanningRead More →

The post Building a SaaS Business You Can Sell first appeared on Rob Walling - Serial Entrepreneur.




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SketchNotes of My Talk: “How to Make More Money from Your Business”

In October I spoke at Dan & Ian’s DCBKK event in Bangkok, Thailand about how to make more money from your business. Through the mad illustration skills of one Maggie Appleton, here are SketchNotes summarizing my entire talk in a single image (click the image for a hi-res version).

The post SketchNotes of My Talk: “How to Make More Money from Your Business” first appeared on Rob Walling - Serial Entrepreneur.




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Photo-Scraping Business Ignores $39M Privacy Fine

A US company that used billions of online photos without permission for facial recognition faces a fine of more than $35 million. Regulators say they may hold directors of Clearview AI personally responsible after the company said the fine was unenforceable. Clearview has attracted the attention of regulators in several companies for the way it does business. It produces and licenses facial recognition software to law enforcement agencies, for example, to identify alleged offenders from crowd photos or live video. The software works thanks to a massive database of pictures which Clearview ... (view more)




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A Great Cloud of Witnesses

Fr. Barnabas welcomes his guest Fr. Panayiotis Papageorgiou as they discuss the communion of the saints, relics, weeping icons, and how saints are identified.




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Journey to Fullness

Learn about the popular Journey to Fulness video series as Fr. Barnabas talks with priests and lay workers about how they are using the series in their parishes.




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Orthodox Witness in a Digital World

While in Crete for the Digital Media and Orthodox Pastoral Care conference, Fr. Barnabas Powell sat down with the other American speakers - Fr. Tom Soroka, Dr. Nicole Roccas, Fr. John Parker, Fr. John Peck, Richard Barrett, and Hank Hanegraaff to reflect on the conference and what they took away from it.